package com.zxy.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zxy.reggie.common.R;
import com.zxy.reggie.dto.DishDto;
import com.zxy.reggie.entity.Category;
import com.zxy.reggie.entity.Dish;
import com.zxy.reggie.entity.DishFlavor;
import com.zxy.reggie.service.CategoryService;
import com.zxy.reggie.service.DishFlavorService;
import com.zxy.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @author 周向阳
 */
@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;
    /**
     *新增菜品
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
//        分页构造器
        Page<Dish> pageInfo = new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage = new Page<>();
//        条件构造器
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
//        过滤条件
        queryWrapper.like(name != null,Dish::getName,name);
//        排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);
//        执行查询
        dishService.page(pageInfo,queryWrapper);
//        对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list = records.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();//分类id
            Category category = categoryService.getById(categoryId);//根据id查询分类对象
            String categoryName = category.getName();
            dishDto.setCategoryName(categoryName);
            return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    /**
     * 根据id查询菜品信息和口味信息
     * @param ids
     */
    @GetMapping("/{ids}")
    public  R<DishDto> get(@PathVariable Long ids){

        DishDto dishDto = dishService.getByIdWithFlavor(ids);

        return R.success(dishDto);
    }

    /**
     *修改菜品
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("更新菜品成功");
    }

    /**
     * 修改售卖状态
     * @param ids
     * @return
     */
    @PostMapping("/status/0")
    public R<String> statusToStop(@RequestParam List<Long> ids){
        for (Long id : ids){
            Dish dish = new Dish();
            dish.setId(id);
            dish.setStatus(0);
            dishService.updateById(dish);
        }
        return R.success("停售菜品成功");
    }
    @PostMapping("/status/1")
    public R<String> statusToStart(@RequestParam List<Long> ids){
        for (Long id : ids){
            Dish dish = new Dish();
            dish.setId(id);
            dish.setStatus(1);
            dishService.updateById(dish);
        }
        return R.success("启售菜品成功");
    }

    /**
     * 删除菜品和关联的口味
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> deleteWithFlavor(@RequestParam List<Long> ids){

        dishService.deleteWithFlavor(ids);
        return R.success("删除成功");
    }
    //    @DeleteMapping
    //    public R<String> delete(@PathVariable List<Long> ids){
    //        log.info("删除菜品已启动");
    //        for (Long id : ids){
    //            dishService.removeById(id);
    //        }
    //        return R.success("删除成功");
    //    }

    /**
     * 根据分类查询信息
     * @param dish
     * @return
     */
//    public R<List<Dish>> list(Dish dish){
//        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
//        queryWrapper.eq(dish.getCategoryId() != null ,Dish::getCategoryId,dish.getCategoryId());
////        添加status=1的条件
//        queryWrapper.eq(Dish::getStatus,1);
//
//        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
//        List<Dish> list = dishService.list(queryWrapper);
//        return R.success(list);
//    }
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null ,Dish::getCategoryId,dish.getCategoryId());
//        添加status=1的条件
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto> dishDtoList = list.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item, dishDto);

            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);

            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
            List<DishFlavor> dishFlavors = dishFlavorService.list(lambdaQueryWrapper);

            dishDto.setFlavors(dishFlavors);
            return dishDto;
        }).collect(Collectors.toList());

        return R.success(dishDtoList);
    }

}
